countries_connected ={'AR', 'BR', 'PY', 'UY'};
% countries_connected ={'BO', 'PE', 'CO', 'EC'};

% add names
Ncountries = length(countries_connected);
country_names_connected = cell( Ncountries,3 );
for j=1:Ncountries
    country_names_connected{j,1} = j;
    country_names_connected{j,2} = char( countries_connected(j) );
    country_names_connected{j,3}  = icc2name( char( countries_connected(j) ) );
end

country_names_connected 
